1.

1.#

 1#include <iostream>
 2using namespace std;
 3
 4int v = 5;
 5
 6int main() {
 7  int v = 65;
 8  for (int v = 65; v <= 66; v++) {
 9    switch (v) {
10      case ('A'):
11        cout << 'A' << endl;
12        break;
13      case ('B'):
14        cout << 'B' << endl;
15      default:
16        cout << ::v << endl;
17    }
18  }
19  cout << v << endl;
20}